2 years ago

Help meeeeeeee!!! REEEE

Mathematics

2 answers:

Alina [70]2 years ago

8 0

Answer:

I think 5 faces and 10 edges but im not sure what a vertice is sorry

Step-by-step explanation:

dimaraw [331]2 years ago

5 0

Answer:

I think 5 faces and 10 edges

Step-by-step explanation:

i did this already

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– 3(4^2) step by step pls

xxMikexx [17]

Answer:

The answer is -48

Step-by-step explanation:

First step is to follow PEMDAS

So we start solving whatever is in the ( )

4^2 is in the ( ) 4^2 = 16 then we multiply

-3 * 16 which is -48

7 0

3 years ago

F(x) = 3x + 6, find the ordered pair when x = -1.

inessss [21]

Answer:

(-1 ; 3)

Step-by-step explanation:

when they say find the ordered pair they simply mean find the corresponding y value when x = -1

* where you see x substitute-1 *

f(-1) = 3(-1) + 6

8 0

2 years ago

The annual salaries of all employees at a financial company are normally distributed with a mean of $34,000 and a standard devia

lora16 [44]

z-score of a company is 5.

What is z- test?

A z-test is a statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

The annual salaries of all employees at a financial company are normally distributed with a mean of $34,000 and a standard deviation of $4,000.

Now, using z- score

z= (x- $\mu$ )/ $\sigma$